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1200130230 = 235133077257
BaseRepresentation
bin100011110001000…
…1000100010110110
310002122020221011210
41013202020202312
54424213131410
6315030542250
741511636645
oct10742104266
93078227153
101200130230
11566495672
12295b07986
1316183b840
14b556535c
1570564220
hex478888b6

1200130230 has 32 divisors (see below), whose sum is σ = 3101876064. Its totient is φ = 295416576.

The previous prime is 1200130223. The next prime is 1200130241. The reversal of 1200130230 is 320310021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538239 + ... + 1539018.

It is an arithmetic number, because the mean of its divisors is an integer number (96933627).

Almost surely, 21200130230 is an apocalyptic number.

1200130230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200130230 is an abundant number, since it is smaller than the sum of its proper divisors (1901745834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200130230 is a wasteful number, since it uses less digits than its factorization.

1200130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077280.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1200130230 is about 34642.8958085204. The cubic root of 1200130230 is about 1062.6970094658.

Adding to 1200130230 its reverse (320310021), we get a palindrome (1520440251).

The spelling of 1200130230 in words is "one billion, two hundred million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 3077257 6154514 9231771 15386285 18463542 30772570 40004341 46158855 80008682 92317710 120013023 200021705 240026046 400043410 600065115 1200130230